<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>MyTest(echo.com)</title>
</head>
<head>
<!--script>
function validateForm(){
var x=document.forms["myForm"]["fname"].value;
if (x==null || x==""){
  alert("姓必须填写");
  return false;
  }
}
</script-->
</head>
<body>
	
<form name="myForm" action="cpp.php" method="post">
<input type="text" name="arr" size=20>
<input type="submit" value="提交">
</form>

</body>
</html>